Breakdown of Tiene una caries pequeñita nomás, relájese.
tener
to have
una
a, an (feminine)
pequeño
small
relajarse
to relax
Questions & Answers about Tiene una caries pequeñita nomás, relájese.
How does nomás change the tone here compared to just saying Solo tiene una caries pequeñita?
Why is it una caries instead of una carie?
Why use the diminutive pequeñita instead of just pequeña?
While pequeña (small) is grammatically fine, the diminutive pequeñita (tiny) works hand-in-hand with nomás to double down on the attenuation (softening). The speaker is stacking these reassuring elements to make the issue sound as harmless as possible.
The sentence uses the formal usted for tiene and relájese. How would this change if the dentist were treating a child?